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To collect her Commander of the British Empire (CBE) medal from Queen Elizabeth II, she called upon none other than milliner Philip Treacy for this unmissable, red-feathered, upside-down tepee-style creation.

Would the Queen have been shocked by this zealous piece of headgear? We doubt it. After all, Treacy was the creator of the now infamous hat which her granddaughter Princess Beatrice wore to Prince William and Kate Middleton's royal wedding in April.

Ridiculed by many, Bea's quirky hat was compared to a cat flap and turkey twizzler, and even had a Facebook page set up in its honour. However she had the last laugh as she auctioned off the opinion-diving hat on eBay, raising a staggering £81,100 for charity.

Treacy has cemented himself as the go-to milliner for a royal function: he decked out no less than 35 guests at the royal wedding, including Victoria Beckham, Sophie Winkleman and Tara Palmer-Tomkinson.